void AddFaceWithTextureScaled(scene::Node& brush, vec3_t va, vec3_t vb, vec3_t vc,
const char* texture, bool bVertScale, bool bHorScale,
float minX, float minY, float maxX, float maxY)
{
qtexture_t* pqtTexInfo;
// TTimo: there used to be a call to pfnHasShader here
// this was not necessary. In Radiant everything is shader.
// If a texture doesn't have a shader script, a default shader object is used.
// The IShader object was leaking also
// collect texture info: sizes, etc
IShader* i = GlobalShaderSystem().getShaderForName(texture);
pqtTexInfo = i->getTexture(); // shader width/height doesn't come out properly
if(pqtTexInfo)
{
float scale[2] = {0.5f, 0.5f};
float shift[2] = {0, 0};
if(bHorScale)
{
float width = maxX - minX;
scale[0] = width/pqtTexInfo->width;
shift[0] = -(float)((int)maxX%(int)width)/scale[0];
}
if(bVertScale)
{
float height = maxY - minY;
scale[1] = height/pqtTexInfo->height;
shift[1] = (float)((int)minY%(int)height)/scale[1];
}
_QERFaceData addFace;
FillDefaultTexture(&addFace, va, vb, vc, texture);
addFace.m_texdef.scale[0] = scale[0];
addFace.m_texdef.scale[1] = scale[1];
addFace.m_texdef.shift[0] = shift[0];
addFace.m_texdef.shift[1] = shift[1];
GlobalBrushCreator().Brush_addFace(brush, addFace);
}
else
{
// shouldn't even get here, as default missing texture should be returned if
// texture doesn't exist, but just in case
AddFaceWithTexture(brush, va, vb, vc, texture, false);
globalErrorStream() << "BobToolz::Invalid Texture Name-> " << texture;
}
// the IShader is not kept referenced, DecRef it
i->DecRef();
}
// GTK CALLBACKS
void TexturePreviewCombo::_onExpose (GtkWidget* widget, GdkEventExpose* ev, TexturePreviewCombo* self)
{
// Grab the GLWidget with sentry
gtkutil::GLWidgetSentry sentry(widget);
// Initialise viewport
glClearColor(0.3, 0.3, 0.3, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glDisable( GL_DEPTH_TEST);
glEnable( GL_TEXTURE_2D);
// If no texture is loaded, leave window blank
if (self->_texName.empty())
return;
glMatrixMode( GL_PROJECTION);
glLoadIdentity();
glOrtho(0, 1, 0, 1, -1, 1);
// Get a reference to the selected shader
IShader* shader = GlobalShaderSystem().getShaderForName(self->_texName);
// Bind the texture from the shader
GLTexture* tex = shader->getTexture();
glBindTexture(GL_TEXTURE_2D, tex->texture_number);
// Calculate the correct aspect ratio for preview
float aspect = float(tex->width) / float(tex->height);
float hfWidth, hfHeight;
if (aspect > 1.0) {
hfWidth = 0.5;
hfHeight = 0.5 / aspect;
} else {
hfHeight = 0.5;
hfWidth = 0.5 * aspect;
}
// Draw a polygon
glPolygonMode(GL_FRONT_AND_BACK, GL_FILL);
glColor3f(1, 1, 1);
glBegin( GL_QUADS);
glTexCoord2i(0, 1);
glVertex2f(0.5 - hfWidth, 0.5 - hfHeight);
glTexCoord2i(1, 1);
glVertex2f(0.5 + hfWidth, 0.5 - hfHeight);
glTexCoord2i(1, 0);
glVertex2f(0.5 + hfWidth, 0.5 + hfHeight);
glTexCoord2i(0, 0);
glVertex2f(0.5 - hfWidth, 0.5 + hfHeight);
glEnd();
shader->DecRef();
}
// Create the Tree View
GtkWidget* ShaderSelector::createTreeView() {
// Tree model
GtkTreeStore* store = gtk_tree_store_new(N_COLUMNS,
G_TYPE_STRING, // display name in tree
G_TYPE_STRING, // full shader name
GDK_TYPE_PIXBUF);
// Instantiate the helper class that populates the tree according to the paths
gtkutil::VFSTreePopulator populator(store);
ShaderNameVisitor func(populator, _prefixes);
GlobalShaderSystem().foreachShaderName(func);
// Now visit the created GtkTreeIters to load the actual data into the tree
DataInserter inserter;
populator.forEachNode(inserter);
// Tree view
_treeView = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(_treeView), FALSE);
g_object_unref(store); // tree view owns the reference now
// Single visible column, containing the directory/shader name and the icon
gtk_tree_view_append_column(GTK_TREE_VIEW(_treeView),
gtkutil::IconTextColumn(_("Value"),
NAME_COL,
IMAGE_COL));
// Set the tree store to sort on this column
gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store), NAME_COL, GTK_SORT_ASCENDING);
// Use the TreeModel's full string search function
gtk_tree_view_set_search_equal_func(GTK_TREE_VIEW(_treeView), gtkutil::TreeModel::equalFuncStringContains, NULL, NULL);
// Get selection and connect the changed callback
_selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(_treeView));
g_signal_connect(G_OBJECT(_selection),
"changed",
G_CALLBACK(_onSelChange),
this);
// Pack into scrolled window and frame
return gtkutil::ScrolledFrame(_treeView);
}
// Get the selected shader
IShader* ShaderSelector::getSelectedShader() {
return GlobalShaderSystem().getShaderForName(getSelection());
}
void OpenGLShader::constructNormalShader (const std::string& name)
{
// construction from IShader
m_shader = GlobalShaderSystem().getShaderForName(name);
OpenGLState& state = appendDefaultPass();
state.m_texture = m_shader->getTexture()->texture_number;
state.m_state = RENDER_FILL | RENDER_TEXTURE_2D | RENDER_DEPTHTEST | RENDER_COLOURWRITE | RENDER_LIGHTING
| RENDER_SMOOTH;
state.m_state |= RENDER_CULLFACE;
if ((m_shader->getFlags() & QER_ALPHATEST) != 0) {
state.m_state |= RENDER_ALPHATEST;
state.m_colour[3] = 0.25;
IShader::EAlphaFunc alphafunc;
m_shader->getAlphaFunc(&alphafunc, &state.m_alpharef);
switch (alphafunc) {
case IShader::eAlways:
state.m_alphafunc = GL_ALWAYS;
case IShader::eEqual:
state.m_alphafunc = GL_EQUAL;
case IShader::eLess:
state.m_alphafunc = GL_LESS;
case IShader::eGreater:
state.m_alphafunc = GL_GREATER;
case IShader::eLEqual:
state.m_alphafunc = GL_LEQUAL;
case IShader::eGEqual:
state.m_alphafunc = GL_GEQUAL;
}
}
state.m_colour = Vector4(m_shader->getTexture()->color, 1.0);
if (isTransparent(m_shader->getName())) {
state.m_state |= RENDER_BLEND;
state.m_state |= RENDER_DEPTHWRITE;
state.m_colour = Vector4(1.0, 1.0, 1.0, 0.4);
state.m_sort = OpenGLState::eSortTranslucent;
} else if ((m_shader->getFlags() & QER_TRANS) != 0) {
state.m_state |= RENDER_BLEND;
state.m_colour[3] = m_shader->getTrans();
BlendFunc blendFunc = m_shader->getBlendFunc();
state.m_blend_src = convertBlendFactor(blendFunc.m_src);
state.m_blend_dst = convertBlendFactor(blendFunc.m_dst);
if (state.m_blend_src == GL_SRC_ALPHA || state.m_blend_dst == GL_SRC_ALPHA) {
state.m_state |= RENDER_DEPTHWRITE;
}
state.m_sort = OpenGLState::eSortTranslucent;
} else if (m_shader->getTexture()->hasAlpha) {
state.m_state |= RENDER_BLEND;
state.m_state |= RENDER_DEPTHWRITE;
state.m_sort = OpenGLState::eSortTranslucent;
} else {
state.m_state |= RENDER_DEPTHWRITE;
state.m_sort = OpenGLState::eSortFullbright;
}
m_shader->forEachLayer(ShaderLayerVisitor(*this));
}
